Unknown & Unclassified nonprofits in Mississippi

Unknown & Unclassified nonprofits in Mississippi. Browse 6,003 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.

Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.

Nonprofit profiles

  1. Sertoma Inc 10952 Philadelphia Sertoma Club

    EIN 510244451 · Headquarters: PHILADELPHIA, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Serving Our Children and Communities Foundation

    EIN 474906040 · Headquarters: JACKSON, MS, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  3. Shady Grove Cemetery Association

    EIN 640561147 · Headquarters: Laurel, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Shady Grove Methodist Cemetery Association Inc

    EIN 640652130 · Headquarters: Eupora, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Shantalena Woods

    EIN 993042589 · Headquarters: Pearl, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Sharkey-issaquena County Library

    EIN 646013244 · Headquarters: ROLLING FORK, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Shelter & Assistance in Family Emergencies Inc

    EIN 640642220 · Headquarters: TUPELO, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Shepherds Staff Ministries Inc

    EIN 640654024 · Headquarters: Flowood, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  9. Shields Family Cemetery Foundation Inc

    EIN 640808740 · Headquarters: Richland, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Shiloh Pisgah Farmers Hunt Club

    EIN 475445118 · Headquarters: Water Valley, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Shine Theater Company

    EIN 933602370 · Headquarters: Biloxi, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. Shivalaya and Cultural Center

    EIN 475560528 · Headquarters: Oxford, MS, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  13. Shivers Water Association Inc

    EIN 640612730 · Headquarters: PINOLA, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Short-coleman Park Water Associatio

    EIN 640501361 · Headquarters: IUKA, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Shriners International

    EIN 237347092 · Headquarters: MERIDIAN, MS, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  16. Shriners International

    EIN 237347093 · Headquarters: MERIDIAN, MS, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  17. Shriners International

    EIN 237347094 · Headquarters: MERIDIAN, MS, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  18. Shriners International

    EIN 237347096 · Headquarters: MERIDIAN, MS, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  19. Shriners International

    EIN 237347098 · Headquarters: MERIDIAN, MS, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  20. Shriners International

    EIN 237347101 · Headquarters: MERIDIAN, MS, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  21. Shriners International

    EIN 237347102 · Headquarters: MERIDIAN, MS, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  22. Shriners International

    EIN 237359098 · Headquarters: JACKSON, MS, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  23. Shriners International

    EIN 640607459 · Headquarters: Biloxi, MS, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  24. Shriners International

    EIN 640674781 · Headquarters: MERIDIAN, MS, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  25. Shriners International

    EIN 640768619 · Headquarters: MERIDIAN, MS, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  26. Shriners International

    EIN 901136627 · Headquarters: MERIDIAN, MS, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  27. Siam Student Chapter at Usm

    EIN 473056838 · Headquarters: Hattiesburg, MS, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  28. Sigma Alpha Epsilon

    EIN 640315254 · Headquarters: Oxford, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Sigma Alpha Psi Sorority Inc

    EIN 943466148 · Headquarters: Monticello, MS, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  30. Sigma Chi Fraternity - Eta Chapter

    EIN 640315255 · Headquarters: OXFORD, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Sigma Chi Fraternity Gamma Upsilon Chapter

    EIN 640368061 · Headquarters: MISSISSIPPI STATE, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Sigma Gamma Rho Sorority Inc

    EIN 311333131 · Headquarters: STARKVILLE, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Sigma Gamma Rho Sorority Inc

    EIN 311360148 · Headquarters: STARKVILLE, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Sigma Gamma Rho Sorority Inc

    EIN 311431505 · Headquarters: OXFORD, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Sigma Gamma Rho Sorority Inc

    EIN 364944235 · Headquarters: STARKVILLE, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Sigma Gamma Rho Sorority Inc

    EIN 640663750 · Headquarters: PORT GIBSON, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Sigma Gamma Rho Sorority Inc

    EIN 640663784 · Headquarters: PORT GIBSON, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Sigma Gamma Rho Sorority Inc

    EIN 640857626 · Headquarters: HATTIESBURG, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Sigma Gamma Rho Sorority Inc

    EIN 646034666 · Headquarters: Jackson, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Sigma Gamma Rho Sorority Inc

    EIN 862814881 · Headquarters: West Point, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Sigma Gamma Rho Sorority Inc

    EIN 900116730 · Headquarters: HATTIESBURG, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Sigma Gamma Rho Sorority Inc

    EIN 902117876 · Headquarters: MENDENHALL, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Sigma Gamma Rho Sorority Inc

    EIN 911876159 · Headquarters: OXFORD, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Sigma Gamma Rho Sorority Inc

    EIN 912133274 · Headquarters: CANTON, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Sigma Gamma Rho Sorority Inc Mu Iota Sigma Chapter

    EIN 814202855 · Headquarters: Olive Branch, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Sigma Nu Fraternity

    EIN 237038788 · Headquarters: Hattiesburg, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Sigma Nu Fraternity Epsilon Xi Chapter

    EIN 640304773 · Headquarters: OXFORD, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Sigma Nu Psi

    EIN 272228487 · Headquarters: JACKSON, MS, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  49. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 364019472 · Headquarters: Hattiesburg, MS, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  50. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 366159769 · Headquarters: Jackson, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 462536594 · Headquarters: Jackson, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Sigma Phi Epsilon Fraternity Mississippi Gamma Chapter

    EIN 640713607 · Headquarters: Hattiesburg, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. Sigma Theta Tau Inc

    EIN 311042716 · Headquarters: Columbus, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Sigma Theta Tau Inc

    EIN 363479038 · Headquarters: Jackson, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Sigma Theta Tau Inc

    EIN 510232362 · Headquarters: Hattiesburg, MS, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  56. Sigma Theta Tau International Inc

    EIN 640907409 · Headquarters: Cleveland, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Sigma Theta Tau International Inc

    EIN 911935312 · Headquarters: Clinton, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Sigma Xi Chapter University of Southern Mississippi

    EIN 640695069 · Headquarters: Hattiesburg, MS, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  59. Sigma Xi-Mississippi State University Chapter

    EIN 274028220 · Headquarters: Mississippi State, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Silver Creek Cemetery Association

    EIN 640677470 · Headquarters: Tylertown, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Simpson County Country Club Inc

    EIN 640598322 · Headquarters: Magee, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Simpson County Dev Foundation Inc

    EIN 640683310 · Headquarters: MENDENHALL, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Singing River Charter Chapter Abwa

    EIN 640625515 · Headquarters: Moss Point, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Singing River Electric Cooperative

    EIN 640239641 · Headquarters: Lucedale, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Singing River Health System

    EIN 646000515 · Headquarters: GAUTIER, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T

  66. Singing River Health System

    EIN 851538878 · Headquarters: Gulfport, MS, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  67. Singing River Lodge No 633

    EIN 640662371 · Headquarters: Gautier, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Singing River Yacht Club Inc

    EIN 640589974 · Headquarters: PASCAGOULA, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Sixtown Water Association Inc

    EIN 640468763 · Headquarters: MEADVILLE, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  70. Smiles Learning Center

    EIN 640785793 · Headquarters: Starkville, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  71. Smiles of Elizabeth Mississippi Inc

    EIN 900738899 · Headquarters: Greenville, MS, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  72. Smith County Volunteer Rebels

    EIN 900595456 · Headquarters: Pulaski, MS, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  73. Smith Crossing Water Association Inc

    EIN 640474972 · Headquarters: MAGEE, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. Smocker Arts Guild of America Inc

    EIN 581769000 · Headquarters: Booneville, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Smocking Arts Guild of America Inc

    EIN 320138863 · Headquarters: Vicksburg, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Sms Cheer Boosters

    EIN 931644212 · Headquarters: Southaven, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Social Entertainment Inc

    EIN 272571714 · Headquarters: SALTILLO, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Society of Manufacturing Engineers

    EIN 640812137 · Headquarters: Pontotoc, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Society of Phi Zeta

    EIN 640769275 · Headquarters: Mississippi State, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Society of St. Vincent De Paul – Diocesan Council of Biloxi

    EIN 640761653 · Headquarters: BILOXI, MS, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  81. Society of the War of 1812 in the State of Mississippi Inc

    EIN 462970330 · Headquarters: Oxford, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Society of Women Engineers

    EIN 300589191 · Headquarters: Mississippi State, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Society of Women Engineers

    EIN 300605571 · Headquarters: University, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Soil and Water Conservation Association of Hinds County Inc

    EIN 570887828 · Headquarters: Clinton, MS, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  85. Sold Out Ministries

    EIN 640860140 · Headquarters: madison, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Soldiers for Adaptive SCUBA

    EIN 465134624 · Headquarters: Ocean Springs, MS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  87. Solid Waste Association of North America Inc

    EIN 640801963 · Headquarters: Vancleave, MS, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  88. Solutions Group

    EIN 611758106 · Headquarters: Tupelo, MS, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  89. Somebody Step In

    EIN 832977082 · Headquarters: Clinton, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Sonedna Foundation

    EIN 640838346 · Headquarters: OXFORD, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  91. Sonrise Ministries Inc

    EIN 640918779 · Headquarters: Laurel, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Sons of Confederate Veterans 9Th Mississippi Cavalry Camp 1748

    EIN 473391756 · Headquarters: lucedale, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Sons of Confederate Veterans Inc

    EIN 200910868 · Headquarters: Brandon, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Sons of Confederate Veterans Inc

    EIN 320244553 · Headquarters: Caledonia, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Sons of Confederate Veterans Inc

    EIN 334953461 · Headquarters: Waynesboro, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Sons of Confederate Veterans Inc

    EIN 393538860 · Headquarters: Water Valley, MS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Sons of Confederate Veterans Inc

    EIN 581859334 · Headquarters: PURVIS, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Sons of Confederate Veterans Inc

    EIN 581956985 · Headquarters: Red Banks, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Sons of Confederate Veterans Inc

    EIN 582025806 · Headquarters: NATCHEZ, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Sons of Confederate Veterans Inc

    EIN 582041220 · Headquarters: BILOXI, MS, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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